[PATCH] D101970: [X86FixupLEAs] Transform the sequence LEA/SUB to SUB/SUB

[David Zarzycki via Phabricator via llvm-commits]

davezarzycki added a comment.

Actually, it is more complicated, and you're right that it also can involve overflow. I'm not sure if this is a trivial optimization when dependent comparisons are involved.


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  https://reviews.llvm.org/D101970/new/

https://reviews.llvm.org/D101970